297792129220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1\times {\mathrm{2129}}^1$

素因数の和:2845

約数の個数: 96

約数和(自身を含む): 637670880000

約数和(自身を除く): 339878750780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 179, 356, 358, 439, 445, 716, 878, 890, 895, 1756, 1780, 1790, 2129, 2195, 3580, 4258, 4390, 8516, 8780, 10645, 15931, 21290, 31862, 39071, 42580, 63724, 78142, 78581, 79655, 156284, 157162, 159310, 189481, 195355, 314324, 318620, 378962, 381091, 390710, 392905, 757924, 762182, 781420, 785810, 934631, 947405, 1524364, 1571620, 1869262, 1894810, 1905455, 3738524, 3789620, 3810910, 4673155, 6993709, 7621820, 9346310, 13987418, 18692620, 27974836, 33917099, 34968545, 67834198, 69937090, 83182159, 135668396, 139874180, 166364318, 167298949, 169585495, 332728636, 334597898, 339170990, 415910795, 669195796, 678341980, 831821590, 836494745, 1663643180, 1672989490, 3345978980, 14889606461, 29779212922, 59558425844, 74448032305, 148896064610, 297792129220]

約数ペア:

[(1, 297792129220), (2, 148896064610), (4, 74448032305), (5, 59558425844), (10, 29779212922), (20, 14889606461), (89, 3345978980), (178, 1672989490), (179, 1663643180), (356, 836494745), (358, 831821590), (439, 678341980), (445, 669195796), (716, 415910795), (878, 339170990), (890, 334597898), (895, 332728636), (1756, 169585495), (1780, 167298949), (1790, 166364318), (2129, 139874180), (2195, 135668396), (3580, 83182159), (4258, 69937090), (4390, 67834198), (8516, 34968545), (8780, 33917099), (10645, 27974836), (15931, 18692620), (21290, 13987418), (31862, 9346310), (39071, 7621820), (42580, 6993709), (63724, 4673155), (78142, 3810910), (78581, 3789620), (79655, 3738524), (156284, 1905455), (157162, 1894810), (159310, 1869262), (189481, 1571620), (195355, 1524364), (314324, 947405), (318620, 934631), (378962, 785810), (381091, 781420), (390710, 762182), (392905, 757924)]